Home / 27,543.11-41,282.96-12,720.87

Finding the Fourth Proportional to 27,543.11, 41,282.96 and 12,720.87

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Solution

The fourth proportional to 27,543.11, 41,282.96 and 12,720.87 is: 19,066.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,543.11 : 41,282.96 = 12,720.87 : x
  2. Step 2: Convert to fraction form
    27,543.11/41,282.96 = 12,720.87/x
  3. Step 3: Cross multiply
    27,543.11x = 41,282.96 × 12,720.87
  4. Step 4: Simplify right side
    27,543.11x = 525,155,103.77
  5. Step 5: Solve for x
    x = 525,155,103.77/27,543.11
  6. Step 6: Final answer
    x = 19,066.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.